CVE-2007-5199
CVE-2007-5199 is a critical-severity vulnerability in X Libxfont with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (81st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: X Libxfont
- Published:
- Last modified:
Description
A single byte overflow in catalogue.c in X.Org libXfont 1.3.1 allows remote attackers to have unspecified impact.
Frequently asked questions
- What is CVE-2007-5199?
- A single byte overflow in catalogue.c in X.Org libXfont 1.3.1 allows remote attackers to have unspecified impact.
- How severe is CVE-2007-5199?
- CVE-2007-5199 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2007-5199 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-5199?
- CVE-2007-5199 affects X Libxfont. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2007-5199?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2007-5199 published?
- CVE-2007-5199 was published on 2017-08-18 and last updated on 2026-06-16.
References
- https://bugzilla.suse.com/show_bug.cgi?id=327854
- https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=5bf703700ee4a5d6eae20da07cb7a29369667aef
Affected products (1)
- cpe:2.3:a:x:libxfont:1.3.1:*:*:*:*:*:*:*
More vulnerabilities in X Libxfont
- CVE-2013-6462 — Critical (CVSS 9.3): Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6…
- CVE-2011-2895 — Critical (CVSS 9.3): The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and…
- CVE-2026-56003 — High (CVSS 8.5): A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2…
- CVE-2026-56002 — High (CVSS 8.5): A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers…
- CVE-2026-56001 — High (CVSS 8.5): A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used…
- CVE-2015-1804 — High (CVSS 8.5): The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not…
All CVEs affecting X Libxfont →
Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities
- CVE-2026-77946 — Critical (CVSS 10.0): A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function…
- CVE-2026-76008 — Critical (CVSS 10.0): A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file…
- CVE-2026-75784 — Critical (CVSS 10.0): A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of…
- CVE-2026-74843 — Critical (CVSS 10.0): A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function…
- CVE-2026-16367 — Critical (CVSS 10.0): Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…