CVE-2011-2690

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 8.8Exploit: None knownExposed: 0

A fix is available — apply it.

Buffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4, when used by an application that calls the png_rgb_to_gray function but not the png_set_expand function, allows remote attackers to overwrite memory with an arbitrary amount of data, and possibly have unspecified other impact, via a crafted PNG image.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
87%
KEV
Not listed

Published

July 17, 2011

Last Modified

April 29, 2026

Advisory Details (6)

Auto-updated May 2, 2026
No patch confirmed yet.
generic

libpng: Multiple vulnerabilities (GLSA 201206-15) — Gentoo security

http://security.gentoo.org/glsa/glsa-201206-15.xml
generic

About Secunia Research | Flexera

http://secunia.com/advisories/45461
generic

About Secunia Research | Flexera

http://secunia.com/advisories/45460
generic

About Secunia Research | Flexera

http://secunia.com/advisories/45415
generic

About Secunia Research | Flexera

http://secunia.com/advisories/45405
generic

About Secunia Research | Flexera

http://secunia.com/advisories/45046

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibpng12-0 (1.2.44-1ubuntu3.1) @ natty2026-05-29ubuntu
redhatlibpng-2:1.2.10-7.1.el5_7.52011-07-28redhat
redhatlibpng-2:1.2.46-1.el6_12011-07-28redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 8× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 108 total refreshes for this CVE.

  1. 2026-07-23 14:14 UTCEPSS rescore
  2. 2026-07-23 01:05 UTCEG score recompute
  3. 2026-07-23 00:09 UTCEG score recompute
  4. 2026-07-22 21:47 UTCEG score recompute
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  61. 2026-05-29 07:32 UTCVendor advisory
  62. 2026-05-29 07:32 UTCGHSA enrichment
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Frequently asked(5)

What is CVE-2011-2690?
CVE-2011-2690 is a high vulnerability published on July 17, 2011. Buffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4, when used by an application that calls the pngrgbtogray function but not the pngset_expand function, allows remote attackers to overwrite memory with an arbitrary amount of data, and…
When was CVE-2011-2690 disclosed?
CVE-2011-2690 was first published in the National Vulnerability Database on July 17, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-2690 actively exploited?
CVE-2011-2690 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 12.8% of all scored CVEs.
What is the CVSS score of CVE-2011-2690?
CVE-2011-2690 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2011-2690?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-2690, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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