Vulnerability-Lookup

RHSA-2026:2566

Vulnerability from csaf_redhat - Published: 2026-02-11 17:28 - Updated: 2026-02-11 18:59

Summary

Red Hat Security Advisory: fontforge security update

Notes

Topic

An update for fontforge is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

FontForge is a font editor for outline and bitmap fonts. It supports a range of font formats, including PostScript (ASCII and binary Type 1, some Type 3 and Type 0), TrueType, OpenType (Type2) and CID-keyed fonts. Security Fix(es): * fontforge: command injection via crafted archives or compressed files (CVE-2024-25082) * fontforge: command injection via crafted filenames (CVE-2024-25081) * fontforge: FontForge: Remote Code Execution via heap-based buffer overflow in BMP file parsing (CVE-2025-15279) * fontforge: FontForge: Remote Code Execution via Use-After-Free in SFD file parsing (CVE-2025-15269) * fontforge: FontForge: Arbitrary code execution via SFD file parsing buffer overflow (CVE-2025-15275) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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          "text": "fontforge: FontForge: Arbitrary code execution via SFD file parsing buffer overflow",
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          "title": "Statement"
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          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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          "title": "Vulnerability description"
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          "text": "fontforge: FontForge: Remote Code Execution via heap-based buffer overflow in BMP file parsing",
          "title": "Vulnerability summary"
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          "text": "This vulnerability is rated Important for Red Hat as it allows remote code execution via a heap-based buffer overflow in FontForge when parsing malicious BMP files. Exploitation requires user interaction, where a target must open a malicious BMP file or visit a malicious page. FontForge is available in Red Hat Enterprise Linux and Fedora distributions.",
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        {
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:2566"
        },
        {
          "category": "workaround",
          "details": "Users are advised to avoid opening untrusted or suspicious BMP files with FontForge to prevent exploitation. If FontForge is not a required application, consider removing the `fontforge` package to eliminate the attack surface. Removing this package may impact functionality that relies on FontForge.",
          "product_ids": [
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          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
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            "confidentialityImpact": "HIGH",
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          ]
        }
      ],
      "threats": [
        {
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          "details": "Important"
        }
      ],
      "title": "fontforge: FontForge: Remote Code Execution via heap-based buffer overflow in BMP file parsing"
    }
  ]
}

CVE-2024-25081 (GCVE-0-2024-25081)

Vulnerability from cvelistv5 – Published: 2024-02-26 00:00 – Updated: 2025-11-04 18:29

Summary

Splinefont in FontForge through 20230101 allows command injection via crafted filenames.

Severity ?

4.2 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

CWE

Assigner

mitre

References

URL

Tags

	https://fontforge.org/en-US/downloads/
	https://github.com/fontforge/fontforge/pull/5367
	https://lists.debian.org/debian-lts-announce/2024…	mailing-list
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	http://www.openwall.com/lists/oss-security/2024/03/08/2	mailing-list

Show details on NVD website

JSON

To clipboard

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CVE-2025-15279 (GCVE-0-2025-15279)

Vulnerability from cvelistv5 – Published: 2025-12-31 06:59 – Updated: 2025-12-31 16:19

Title

FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Summary

FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of pixels within BMP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27517.

Severity ?

7.8 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

zdi

References

URL

Tags

https://www.zerodayinitiative.com/advisories/ZDI-…

x_research-advisory

Impacted products

	Vendor	Product	Version
	FontForge	FontForge	Affected: 387146a241b36bcdf6ce229c5a3fe367ed3854a1

Show details on NVD website

JSON

To clipboard

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CVE-2025-15275 (GCVE-0-2025-15275)

Vulnerability from cvelistv5 – Published: 2025-12-31 06:59 – Updated: 2025-12-31 16:58

Title

FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Summary

FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28543.

Severity ?

8.8 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

zdi

References

URL

Tags

https://www.zerodayinitiative.com/advisories/ZDI-…

x_research-advisory

Impacted products

	Vendor	Product	Version
	FontForge	FontForge	Affected: aca4f524c6cb14cdc7bc4cd493492a33f5154797

Show details on NVD website

JSON

To clipboard

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    "assignerShortName": "zdi",
    "cveId": "CVE-2025-15275",
    "datePublished": "2025-12-31T06:59:14.262Z",
    "dateReserved": "2025-12-29T20:01:37.868Z",
    "dateUpdated": "2025-12-31T16:58:23.822Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

CVE-2024-25082 (GCVE-0-2024-25082)

Vulnerability from cvelistv5 – Published: 2024-02-26 00:00 – Updated: 2025-11-04 18:29

Summary

Splinefont in FontForge through 20230101 allows command injection via crafted archives or compressed files.

Severity ?

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CWE

Assigner

mitre

References

URL

Tags

	https://fontforge.org/en-US/downloads/
	https://github.com/fontforge/fontforge/pull/5367
	https://lists.debian.org/debian-lts-announce/2024…	mailing-list
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	http://www.openwall.com/lists/oss-security/2024/03/08/2	mailing-list

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-03-12T15:44:22.139135Z",
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              "type": "ssvc"
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        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-77",
                "description": "CWE-77 Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-04T18:59:45.963Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T18:29:18.415Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
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            "url": "https://fontforge.org/en-US/downloads/"
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            "tags": [
              "x_transferred"
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            "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00007.html"
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GCH22HIO2C6M4BZWF5EYIWVFBXL5BQAH/"
          },
          {
            "name": "[oss-security] 20240308 Vulnerabilties in FontTools \u0026 FontForge",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/03/08/2"
          },
          {
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCH22HIO2C6M4BZWF5EYIWVFBXL5BQAH/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Splinefont in FontForge through 20230101 allows command injection via crafted archives or compressed files."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
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      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-01T19:06:21.879Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://fontforge.org/en-US/downloads/"
        },
        {
          "url": "https://github.com/fontforge/fontforge/pull/5367"
        },
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          "name": "[debian-lts-announce] 20240307 [SECURITY] [DLA 3754-1] fontforge security update",
          "tags": [
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          "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00007.html"
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    "cveId": "CVE-2024-25082",
    "datePublished": "2024-02-26T00:00:00.000Z",
    "dateReserved": "2024-02-04T00:00:00.000Z",
    "dateUpdated": "2025-11-04T18:29:18.415Z",
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  },
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CVE-2025-15269 (GCVE-0-2025-15269)

Vulnerability from cvelistv5 – Published: 2025-12-31 06:58 – Updated: 2025-12-31 16:23

Title

FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability

Summary

FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of SFD files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28564.

Severity ?

8.8 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-416 - Use After Free

Assigner

zdi

References

URL

Tags

https://www.zerodayinitiative.com/advisories/ZDI-…

x_research-advisory

Impacted products

	Vendor	Product	Version
	FontForge	FontForge	Affected: aca4f524c6cb14cdc7bc4cd493492a33f5154797

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-15269",
                "options": [
                  {
                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-31T16:22:38.647544Z",
                "version": "2.0.3"
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      "dateAssigned": "2025-12-29T20:00:14.889Z",
      "datePublic": "2025-12-29T22:57:24.567Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the parsing of SFD files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28564."
        }
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      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
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          "tags": [
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          "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-1195/"
        }
      ],
      "source": {
        "lang": "en",
        "value": "Anonymous"
      },
      "title": "FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
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    "dateReserved": "2025-12-29T20:00:14.810Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

RHSA-2026:2566

CVE-2024-25081 (GCVE-0-2024-25081)

CVE-2025-15279 (GCVE-0-2025-15279)

CVE-2025-15275 (GCVE-0-2025-15275)

CVE-2024-25082 (GCVE-0-2024-25082)

CVE-2025-15269 (GCVE-0-2025-15269)

Tags

Sightings

Nomenclature