High severity7.5NVD Advisory· Published Mar 6, 2023· Updated Jun 17, 2026

CVE-2022-45142

Description

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches (and possibly other branches) a logic inversion sneaked in causing the validation of message integrity codes in gssapi/arcfour to be inverted.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Heimdal/Heimdal4 versions
cpe:2.3:a:heimdal_project:heimdal:7.7.1:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:heimdal_project:heimdal:7.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:heimdal_project:heimdal:7.8.0:*:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 7.7.1, 7.8.0
osv-coords8 versions
pkg:apk/chainguard/heimdal pkg:apk/chainguard/heimdal-dev pkg:apk/chainguard/heimdal-doc pkg:apk/chainguard/heimdal-libs pkg:apk/wolfi/heimdal pkg:apk/wolfi/heimdal-dev pkg:apk/wolfi/heimdal-doc pkg:apk/wolfi/heimdal-libs
< 7.8.0-r1+ 7 more
- (no CPE)range: < 7.8.0-r1
- (no CPE)range: < 7.8.0-r1
- (no CPE)range: < 7.8.0-r1
- (no CPE)range: < 7.8.0-r1
- (no CPE)range: < 7.8.0-r1
- (no CPE)range: < 7.8.0-r1
- (no CPE)range: < 7.8.0-r1
- (no CPE)range: < 7.8.0-r1

cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

CVE-2022-45142

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions