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CVE-2022-1507

20
FAUCET Score

CVE-2022-1507 is a Null Pointer Dereference vulnerability in the chafa project's libnsgif.c, affecting chafa versions prior to 1.10.2, as well as Fedora's chafa packages. An attacker can trigger a denial of service by providing a specially crafted input file, leading to a system crash. The vulnerability has a CVSS v3.1 score of 5.5 (Medium), indicating a low attack complexity and requiring user interaction (UI:R) for exploitation, but it can lead to high availability impact (A:H). The attack vector is local (AV:L), meaning an attacker needs local access to the system. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage, suggesting a low level of public awareness or concern.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.10.2CPE matchmatch criteria
cpe:2.3:a:chafa_project:chafa:*:*:*:*:*:*:*:*
34CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 64th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / hpjansson/chafa/commit/e4b777c7b7c144cd16a0ea96108267b1004fe6c9
PatchThird Party Advisory
huntr.dev / bounties/104d8c5d-cac5-4baa-9ac9-291ea0bcab95
ExploitIssue TrackingPatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/3PLHKTQYK6AO3M5NAVM3CDVQTZZS6MCO
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DIOAZPITFL2Y7Y6KHCZ4OIK7P7KWFN22
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/L54UEP5S254VP5FZWGFPHLTPMFJVOGYT